SDR UPS05844936

Service difficulty report · Finger Doubler · Doug DC873F

Difficulty date: July 11, 2005
Submitted: July 22, 2005
Operation: Air carrier
Aircraft: N807UP
Make and model: Doug DC873F
Aircraft serial: 46007
Aircraft time: 75,049 hours, 28,670 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Finger Doubler
Condition: Corroded
Location: Fuselage
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

INSPECTION TYPE:C1 HEAVY CORROSION BETWEEN COCKPIT SUBFLOOR SKIN AND 2ND FINGER DOUBLER, SEVERAL POPPED RIVIT HEADS,-52 TO -62 LH SIDE AT CUSP. REMOVED FINGER DOUBLERAND REMOVED CORROSION .004 FROM SUBFLOOR SKIN FOUND TOBE WITHIN LIMITS. FABRICATED AND REPLACED FINGER DOUBLER. IAW SRM 51-1-21, 53-2-0, 53-3-3, 51-1-8, 51-1-15, AND 51-1-20D.

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